Average Annual Precipitation for Maine

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The tables below give yearly averages for rainfall plus snowfall at cities, towns and parks in Maine.

Each place has a total for the amount of precipitation it usually receives in a year along with information on the number of days with wet weather. The count of days includes those when precipitation amounts to 0.01 inches (0.25 millimetres) or more.

The annual precipitation totals are averages based on weather data collected from 1981 to 2010 for the NOAA National Climatic Data Center.

You can jump to a separate table for Maine's Coast, Central Maine and Northern Maine.

Maine Coast

Average yearly precipitation
Days Place Inches Millimetres
136 Acadia National Park 56.7 1441
  95 Belfast 47.9 1216
131 Brunswick 51.1 1298
141 Eastport 45.8 1164
121 Ellsworth 46.2 1174
128 Jonesboro 51.2 1300
132 Kennebunkport 51.1 1297
139 Newcastle 48.2 1224
137 Port Clyde 46.8 1189
131 Portland 47.3 1200

Central Maine

Annual averages for rainfall plus snowfall
Days Place Inches Millimetres
135 Augusta 41.9 1064
133 Bangor 41.9 1065
135 Dover-Foxcroft 43.6 1108
144 Flagstaff Lake, Long Falls Dam 41.2 1047
126 Grand Lake Stream 44.8 1139
124 Lewiston 45.1 1145
172 Lower Richardson Lake, Middle Dam 39.3   999
169 Rangeley 41.8 1060
126 Waterville 42.8 1086

Northern Maine

Average amount of rain and snow a year
Days Place Inches Millimetres
155 Chesuncook Lake, Ripogenus Dam 47.2 1199
153 Fort Kent 39.1   992
133 Millinocket 43.9 1116
149 Moosehead Lake, Brassua Dam 42.6 1083
133 Presque Isle 35.8   909
Reference

National Climatic Data Center. NOAA's 1981-2010 Climate Normals.

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Maine Precipitation

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